A team of 8 couples, (husband and wife) attend a lucky draw in which 4 persons picked up for a prize. Then, inprobability that there is at least one couple is

A team of 8 couples (husband and wife) attend a lucky draw in which 4 persons picked up for a prize. Then, the probability that there is atleast one couple is

There are 5 pairs of shoes in a cupboard from which 4 shoes are picked at random. The probability that there is at least one pair is

There are 10 pairs of shoes in a cupboard, from which 4 shoes are picked at random. If p is the probability that there is at least one pair, then 323p-97 is equal to

There are 10 pairs of shoes in a cupboard, from which 4 shoes are picked at random,then find the probability of at least one pair.

Four couples (husband and wife) decide to form a committee of four members.The number of different committees that can be formed in which no couple finds a place is

Four couples (husband and wife ) decide to form a committee of four members . The number of different committees that can be formed in which no couple finds a place is :